下列选项中,可以实现在访问完app应用下Servlet1后,在浏览器地址栏显示index.jsp路径的是( )

A、response.setHeader("Refresh","0;url=index.jsp");;
B、response.setStatus(300);response.setHeader("Location","/index.jsp");;
C、response.sendRedirect(request.getContextPath()+“/index.jsp”);;
D、request.getRequestDispatcher(“/index.jsp”).forward(request,response);